[SUNON] Important Subsidiary SUNON INTERNATIONAL LIMITED Announces Ex-Dividend Date for FY114 Cash Dividends

1. Date of Board of Directors, Shareholders' Meeting resolution or company decision: 2026/05/19 2. Classification of Ex-Rights/Ex-Dividend: Ex-Dividend 3. Type and amount of dividends distributed: Cash dividend, total amount of 170,000,000 RMB 4. Ex-Dividend transaction date: NA 5. Last transfer date: NA 6. Suspension of transfer start date: NA 7. Suspension of transfer end date: NA 8. Ex-Dividend record date: 2026/06/25 9. Other notes: Cash dividends will be distributed in June (94,000,000 RMB) and December (76,000,000 RMB); the specific distribution dates will be decided by the Board of Directors.